Linear equations in one variable | 1.4K plays

1.

Multiple Select

2 mins

1 pt

solve: 14x = 40 + 9x

4

8

35

45

2.

Multiple Choice

2 mins

1 pt

The sum of two numbers is 11 and their difference is 5. Find the two numbers.

8 and 3

11 and 8

5 and 3

3 and 11

3.

Multiple Choice

2 mins

1 pt

The breadth of a rectangular garden is 2/3 rd

of its length. If its perimeter is 40 m, find its dimensions.

length=12 , breadth =9

length=12 , breadth =8

length=10 , breadth =8

length=9 , breadth =8

4.

Multiple Choice

2 mins

1 pt

The sum of two numbers is 45 and their ratio is 7:8. Find the two numbers.

22,23

21,24

20,25

30,15

5.

Multiple Choice

2 mins

1 pt

A is twice old as B. Five years ago A was 3 times as old as B. Find their present ages.

10,20

11,22

12,24

9,18

6.

Multiple Choice

2 mins

1 pt

What do we get when we transpose 5/2 to RHS in the equation x/4 + 5/2 = -3/4?

x/4 = -3/4 + 5/2

x/4 = -5/2 + ¾

x/4 = -3/4 + (-5/2)

none of these

7.

Multiple Choice

2 mins

1 pt

The denominator of a fraction is greater than the numerator by 8. If the numerator is increased by 17 and denominator is decreased by 1, the number obtained is 3/2. Find the fraction.

11/19

12/20

14/22

13/21

8.

Multiple Choice

2 mins

1 pt

A sum of Rs.2700 is to be given in the form of 63 prizes. If the prize is of either Rs.100 or Rs.25, find the number of prizes of each type.

number of prizes worth Rs. 1oo is 15 and the number of prizes worth Rs. 25 is 48.

number of prizes worth Rs. 1oo is 10 and the number of prizes worth Rs. 25 is 53.

number of prizes worth Rs. 1oo is 12 and the number of prizes worth Rs. 25 is 51.

number of prizes worth Rs. 1oo is 16 and the number of prizes worth Rs. 25 is 47.

9.

Multiple Choice

2 mins

1 pt

Three consecutive integers add up to 57. What are these integers?

20,21,22

19,20,21

18,19,20

17,18,19

10.

Multiple Choice

2 mins

1 pt

The sum of three consecutive multiples of 8 is 888. Find one the multiple.

280

288,

320

312

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